摘要
【目的】为进一步提高光伏发电的效率,开发了一种基于向日葵原理的光伏发电自动追光装置。【方法】该装置集成了光伏板、中部控制板、双轴追光系统、GPS定位系统、自我保护系统和自动储能等模块,可以实时捕捉太阳位置,保持太阳光在光伏板上的最大直射面积,从而提高光的转化率。同时,安装在光伏板上的压力电阻和热敏电阻可以有效减少恶劣环境对设备的影响,从而延长设备的使用寿命。【结果】为检验光伏板中的支架是否满足强度要求,对该部件进行有限元分析。计算结果显示,支架屈服强度为6.204e+02 MPa,满足设计要求。同时,对制作的样机进行性能测试。实验结果表明,所制作的样机各项性能符合要求,平均发电量提升了约19.56%,发电效率显著提升。【结论】该光伏发电装置在精准定位和自动捕光方面具有显著的优势,有一定的市场推广价值。
[Purposes]To further improve the efficiency of photovoltaic power generation,an automatic light tracing device based on sunflower principle is developed.[Methods]The designed automatic light tracking device for photovoltaic power generation integrates photovoltaic panel,central control panel,dual-axis light tracking system,GPS positioning system,self-protection system,and automatic energy storage module.The device can capture the position of the sun in real time and keep the maximum direct area of sunlight on the photovoltaic panel,thus improving the light conversion rate.Additionally,the piezoresistor and thermistor installed on the photovoltaic panel can effectively reduce the impact of harsh environment on the equipment,thus prolonging the service life of the equipment.[Findings]In order to test whether the bracket in the photovoltaic panel meets the strength requirements,the finite element analysis of this component is carried out.The calculation results show that the strength of the support is 6.204e+02 MPa,which meets the design requirements.Furthermore,the performance of the prototype is tested.The experimental results show that the performance of the prototype meets the requirements,the average power generation is increased by about 19.56%and the power generation efficiency is signifi⁃cantly improved.[Conclusions]The designed photovoltaic power generation device has obvious advan⁃tages in accurate positioning and automatic light capture,and has certain market promotion value.
作者
何田超
王玉勤
周路祥
孙含冰
周生
HE Tianchao;WANG Yuqin;ZHOU Luxiang;SUN Hanbing;ZHOU Sheng(School of Mechanical Engineering,Chaohu University,Hefei 238024,China;School of Mechanical Engineering,Anhui Polytechnic University,Wuhu 241000,China)
出处
《河南科技》
2024年第19期25-29,共5页
Henan Science and Technology
基金
巢湖学院学科建设质量提升工程项目“基于向日葵原理的光伏发电自动追光系统设计”(WWFH202318)
安徽省传统专业改造提升项目“机械设计制造及其自动化专业改造提升”(2021zygzts039)
安徽省虚拟仿真实验教学项目“数控加工虚拟仿真实验教学项目”(2021xnfzxm070)。
关键词
向日葵原理
自动追光
精准捕光
有限元分析
sunflower principle
automatic light chasing
accurate light capture
finite element analysis
